이 레슨은 당분간 영어로 제공돼요.
Transform lists in one line
Real code rarely writes a loop just to change, pick or total items. Array methods do it in one readable line, and most of them never touch the original array.
이 레슨은 당분간 영어로 제공돼요.
Real code rarely writes a loop just to change, pick or total items. Array methods do it in one readable line, and most of them never touch the original array.